Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992633 | Process for cutting and packaging blocks of expanded polystyrene foam as a loose fill cushioning material | — | 1999-11-30 |
| 5947293 | Process for cutting and packaging blocks of expanded polystyrene foam as a loose fill cushioning material | — | 1999-09-07 |
| 4721588 | Closed circuit process for the production of expanded polystyrene foam | Arturo Echeverria, Ignacio G. Sancho, Otto F. Plettner | 1988-01-26 |